Radar signal spectrograph
[电] 雷达信号摄谱仪
🧩 词语组成解析
radar
['redɑr]
n. 雷达;雷达装置;无线电探测器;
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
n. 光谱仪, 摄谱仪\\n[化] 光谱仪; 摄谱仪
🗣️ 情景例句
Five hundred dollars, please. And could you give me ten dollar in small change?
请换500美元。再另外能否给我10元的小面额零钱？
How many of these are you going to lend her?
你要借多少给她？
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。